Complete the table of statistical techniques over the course of the week and describe what is the difference between the different techniques. Make sure you use the discussion board to ask questions and to clarify techniques. (I completed the Independent Samples t-test to start the process; I expect the terms to be a bit difficult, so I really want this discussion to be a learning experience)
Here are some definitions:
- IV=Manipulation; Levels of IV=how many groups;
- Fixed=participants take on one value (i.e., group 1 or group 2);
- Random=participants can take on any value (e.g., amount of depression).
- Between Subjects=different people in each group (fixed) or different amounts of IV (random)
- Within Subjects=same people measure repeatedly
- # of DVs=how many outcomes are used in the statistical technique.
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Technique |
Independent Variable |
Dependent Variable |
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Definition |
# of IVs |
Fixed or Random |
# of levels in IV (If Fixed) |
Between or Within Subjects |
# of DVs |
Fixed or Random |
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One Sample t-test |
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Independent Samples t-test |
Two groups of different people compared |
1 (only one manipulation) |
Fixed, people are in one group or the other |
2 (t-tests are always only 2 groups) |
Between (different people in each group) |
1 (just one outcome per t-test) |
Random (outcome can take on any value) |
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Paired Samples t-test (AKA repeated measures t-test or dependent measures t-test) |
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One-Way ANOVA |
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Two-Way ANOVA |
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Repeated Measures ANOVA |
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Factorial ANOVA (can also be called a Mixed Factors Factorial ANOVA) |
